baber/WOPTO huggingface dataset:
Patent GB-943335-A (GB)
Title: A pneumatically-operated process control system
Inventor: NICO JACOBUS AUGUST VAN DEN HE
IPC: G05D11/13
Filed: 1959-06-26
Abstract: 943,335. Fluid-pressure servomotor control systems. UNILEVER Ltd. June 16, 1960 [June 26, 1959], No. 22106/59. Heading G3P. On interruption of the process in a pneumatically operated process control system the regulating element is either locked at its instant position or is moved therefrom to an end position and on resumption of control is unlocked or moved back to the same instant position. A pneumatic proportional and reset controller, Fig. 1, is connected in operation to a regulating element 11 through a changeover valve 1. A pivoted arm 5<SP>1</SP> carries a microswitch 5 the operating arm of which engages a stop 21 on a rod 22 of the regulating element. When the control action is interrupted by operation of the switch 18,19 the relay coil 9 is de-energized to close the contacts 12,13 and energize the coil 1<SP>1</SP> of an electromagnetic clutch 4 which locks the arm 5<SP>1</SP>. The changeover valve 1 is moved so that the regulating element 11 is connected to the supply 30 via valves 2,1 and is therefore moved to an extreme position and the microswitch 5 closes contact Y. On depression of the button 7 to restart the process the coils 21, 8 are energized and contacts 16,17 closed. The changeover valve 2 is actuated to connect the regulating element 11 to exhaust via valves 1 and 2 so that it starts to return to the position it had on interruption of the process when it actuates the switch 5 to de-energize the clutch 4. In another example Fig. 2, the pneumatic controller includes proportional, desired value, measured value and reset bellows which act on a disc 101 which cooperates with a nozzle 102 the back pressure of which is fed to a relay 107 the output of which is fed to the regulating element 112. Normally an arm 122 freely follows the rod 119 connected to a rod 115 of the regulating element. On interruption of the process the arm 122 is locked by an electromagnetic clutch 123. Any leakage of air from the regulating element 112 results in operation of the microswitch 125 and a valve 126 in the supply line is opened to provide a compensating amount of air sufficient to keep the regulating element in its position.
Patent GB-961825-A (GB)
Title: An improved device for the attachment of tools for tapping and studding operations to power operated drilling and like machines
Inventor: MACKAY IAN NORRIS
IPC: B23B31/117
Filed: 1963-06-04
Abstract: 961,825. Screwing and tapping. CLYDESIDE MACHINE TOOL CO. Ltd. June 4, 1963, No. 22119/63. Headings B3B and B3N. A device for attaching taps or other tools to power-operated screwing or drilling machines comprises an adaptor 14 having a bore 29 in the upper end of which is located a spring carrier 32. A rod 36 passes through the end of the carrier to bear against the shank extension 10a. At the lower end of the carrier is located a rod 37 with transverse pins 38 which engage longitudinal slots 39 in the carrier. A spring 40 within the bore of the carrier contacts the inner ends of the rods to urge them apart. The lower end of the adaptor 29 is provided with flats 30 which co-operate with the shank of the bore. Below the flats is located a split collet 41 which is held in close contact with the tool body by a resilient ring 32. The adaptor 29 is located in bearings 21 and 22 and is axially movable therein. In operation an axial upward thrust results from the tool engaging the work and upward movement of the. adaptor with the carrier is effected until abutment takes place with the shank extension 10a, the spring 40 being compressed during this movement by telescopic action between the rod 36 and the spring carrier. Further axial thrust is accommodated by compression of the spring and upward movement of the rod 37 until the pins 38 reach the upper ends of the slots 39. Slots formed between teeth 23 in the adaptor 14 are engaged by clutch members 17 for driving the adaptor, and whereat slipping occurs when the axial thrust exceeds a given value. Adaptors of different diameters may be fitted to the device whereby the axial thrust at which clutch slipping occurs may be varied.
Patent GB-428446-A (GB)
Title: Improvements in and relating to sheet piling
IPC: E02D5/04
Filed: 1933-10-09
Abstract: 428,446. Sheet piles. DITCHBURN, T., 15, Regent Square, Grays Inn Road, and DAVIES, F., 6, Stainsby Road, Poplar, both in London. Oct. 9, 1933, No. 22151. [Class 68 (ii)] A pile wall comprises sheet piles each consisting of flat parts a connected by parts at approximately 45‹ to them; at one edge is a " ball edge b, and at the other a claw " c, each set at approximately 45‹ to the neutral axis, and when connected allowing an angular movement of about 20‹. The ball and claw may point to the same side of the pile, or to opposite sides. For certain purposes in connection with piles as above described there may be used a pile comprising only a claw or a ball or both on the edges of a flat web. The parts b are shaped so as to provide a number of points of contact in the claw c.
Patent GB-586988-A (GB)
Title: Manufacture of polymeric materials
IPC: C08F4/28
Filed: 1945-02-10
Abstract: Compounds having olefinic or acetylenic unsaturation are polymerized or copolymerized in aqueous medium in presence of hydrogen peroxide and hydrazine, hydroxylamine or their water-soluble salts. Unsaturated compounds specified are acrylic and methacrylic acids, ethyl acrylate, methyl methacrylate, beta ethoxyethyl methacrylate, acrylonitrile, vinyl chloride and acetate, styrene and vinylidene chloride.  A copolymer of acrylonitrile and vinyl acetate is described.  The sulphate and hydrochloride of hydroxylamine and hydrazine sulphate are specified.  Dispersing agents such as cetylpyridinium bromide, cetyl trimethylammonium bromide, soaps, water-soluble salts of sulphuric esters of fatty alcohols, water-soluble cellulose ethers and wholly or partially hydrolysed polyvinyl acetate may be present.  Ethyl or methyl alcohols may be present in the aqueous medium.  Textiles such as nylon hose may be treated with aqueous dispersions of the polymers.  Specifications 563,713, 573,270, 573,366, 573,369 and 586,796 are referred to.
Patent GB-412058-A (GB)
Title: Improved method of manufacturing low-carbon chromium alloys
IPC: C21C7/00
Filed: 1933-08-08
Abstract: In an improvement in the method of making low carbon chromium alloys, described in the parent Specification, the whole amount of the high carbon chromium alloy is partly oxidized, or a portion of it is partly or wholly oxidized, before it is added to the slag bath.  The high carbon chromium alloy is oxidized in pulverulent state by means of air, oxygen, steam, &c., at high temperatures, the roasting being facilitated by mixing the alloy with substances such as limestone or quicklime.  The added alloy should preferably contain less than 1 per cent of silicon.  Additions of metals such as nickel may be made before or after tapping.
Patent GB-409181-A (GB)
Title: Improvements in and relating to the propulsion and steering of ships
IPC: B63H25/46
Filed: 1933-08-09
Abstract: 409,181. Jet propulsion of ships. RANK, F., 1, An der Fleischbr³cke, Nuremberg, BECKER, A., 20, Michelsberg, and AMMON, T., 18, Michelsberg, Hersbruck, both in Germany. Aug. 9, 1933, No. 22266. Addition to 389,167. [Class 114.] The jet propulsion system of ships according to the parent Specification is modified by distributing the sets in symmetrically disposed pairs and with openings disposed at different levels so that the outlet openings extend over separate zones of the sides and bottom and all together cover the surface of the hull. At the bows pumps 3, 4 have suction pipes 1, 2 which cross one another, the pumps being driven each by two superposed electric motors 7, 8 and 9, 10. The outlet openings a<1>, a<11> extend substantially over the side walls of the ship. Between these two sides and immediately in the bows is a pump b carrying suction pipe s and outlets c<1>, c<11> extending over the flat pump. This pump is driven by electric motors e, f. In the stern of the ship are two pumps 17, 18 having crossing inlet pipes 15, 16 and outlet slots d<1>, d<11> in the side walls. At the middle of the ship there are four pumps i<1>, i<11>, k<1>, k<11>, driven by electric motors l<1>, l<11>, and m<1>, m<11> and the suction pipes in this case do not cross whilst the outlet openings n<1>, n<11> extend over the side walls and the openings r<1>, r<11> over the bottom. In some cases further intermediate groups may be symmetrically disposed along the ship.
Patent GB-957546-A (GB)
Title: Method for improving the magnetic properties of silicon steel
IPC: C21D8/12
Filed: 1962-06-08
Abstract: 957,546. Treating castings. COMPAGNIE DES ATELIERS & FORGES DE LA LOIRE, SAINT-CHAMOND, FIRMING, SAINT-ETIENNE, JACOB HOLTZER. June 8, 1962 [June 16, 1961], No. 22322/62. Heading B3F. The magnetic properties of silicon steel are improved by uniformly cooling the cast ingot down to a temperature of 1200‹ C. throughout its mass over a period of at least two hours from the time the metal is completely solidified. The desired cooling delay may be achieved by thermally insulating the mould, heating the mould, by placing the casting, in or out of the mould, in a thermally insulated chamber to which heat may be applied, or by inductively or otherwise heating the ingot. In a particular example the ingot is cast in a refractory concrete mould insulated with vermiculite and preheated to 1100‹ C.
Patent GB-874100-A (GB)
Title: Improvements in and relating to blowpipes
IPC: F23D14/46
Filed: 1959-07-01
Abstract: 874,100. Blowpipes. UNION CARBIDE CORPORATION. July 1, 1959 [July 17, 1958], No. 22557/59. Class 75(1). A welding or cutting blowpipe comprises a pair; of axially aligned tubes 74, 28 slidably disposed in a conduit 37 and a spring 73 urging the rearmost tube 28 into abutment with the foremost tube 74. If flash back occurs causing heating of the tubes they can expand rearwardly against the spring 73. The spring 73 is disposed in a recessed plug 34 screwed into the body of the blowpipe and slidably receiving the rear end of the rearmost tube 28. Acetylene is supplied through a connection 22, a valve 68 and apertures in the plug 34 to the rear end of the rearmost tube 28. Oxygen is supplied through a connection 21, a valve 25 and a reverse bend tube 24 to the annular passage 38 between the rearmost tube 28 and the conduit 37 and passes through radial ports 39 in the rearmost tube 28 to mix with the acetylene. The mixture passes from the foremost tube 74 into a fixed tube 17 extending to a burner nozzle. The cutting oxygen supply is conveyed by a passage (not shown) from the connection 21 to a chamber 40, Fig. 2, and passes through a valve operated by a lever 14 to a pipe 16 leading to the burner nozzle. The valve comprises a resilient seat 44 secured by a ring 45 and a threaded plug 46 against a shoulder in the oxygen chamber 40 and a valve stem 49 having an extended shank 48 extending through the resilent seat 44 and slidably supported in a bore in the plug 46. A spring 51 urges the valve into closed position. The valve is opened by a pull rod 54 having on its end a slidable clevis pin 58 held by a spring 56 in abutment with a nut 59 screwed on to the end of the pull rod 54. The clevis pin is engaged by clevis arms 61 extending from the pivoted lever 14. The amount of opening of the valve is preset by adjusting the position of the clevis pin 58 on the pull rod by means of the nut 59. Unintentional rotation of the nut 59 is prevented by the nut being disposed in a recess in the clevis pin.
Patent GB-869798-A (GB)
Title: Improvements in and relating to belt conveyors
Inventor: BARTER ANTONY JOSEPH
IPC: B65G47/76
Filed: 1958-07-15
Abstract: 869,798. Endless-belt conveyers. MATTHEW HALL & CO Ltd. July 15, 1958, No. 22687/58. Class 78 (1). A troughed belt conveyer is caused to assume a flat, or substantially flat, condition at the point of discharge in order that the material may be directed over the sides of the belt by a plough. A rectangular frame 25 with a flat top 25<SP>1</SP> is mounted below the belt and is supported at each end by pairs of arms 30, 31. The lower ends of the arms are pivoted to fixed supports and the upper ends are pivoted to the ends of oppositely-acting rams 36 of hydraulic cylinders 37. When pressure liquid is admitted to the cylinders, the table is raised into contact with the lower side of the belt and the latter assumes the flat position. Rollers 27, 28 mounted at the - ends of the table direct the belt. The plough consists of two horizontal bars 3 which are mounted to swing about a vertical axis 5 and can be adjusted vertically. Each bar is connected by a link 21. to a toothed rack 15 which is movable longitudinally by turning the hand wheel 20.
Patent GB-594667-A (GB)
Title: Improvements in or relating to the regeneration of catalyst particles
IPC: C10G11/18
Filed: 1944-11-16
Abstract: <PICT:0594667/III/1> In the regeneration of catalyst particles by burning off carbonaceous deposits while the particles are suspended or fluidised in an oxidising gas, water is injected in to the spent regenerating gas to cool it and prevent overburning of catalyst suspended therein.  Fig. 1 shows an apparatus in which the catalyst circulates through reactor 22 and regenerator 58, being in a dense fluidised phase in both vessels.  Water is continuously injected through sprays 122 into the dilute suspension above the dense phase in the regenerator.  For emergency cooling more water may be injected into the dilute phase by sprays 128 and also into the outlet pipe by pipe 132.  In another modification (not shown) wherein the catalyst is in a light suspension and passes out of the regenerator with the spent gases, water is injected into the cyclones wherein it is separated.
Patent GB-961630-A (GB)
Title: Improvements relating to model locomotives
Inventor: HEFFORD JOHN GORDON
IPC: A63H19/14
Filed: 1962-06-13
Abstract: 961,630. Electric toy locomotives with smokeejecting mechanisms. ROVEX SCALE MODELS Ltd. May 28,1963 [June 13, 1962] ,No. 22715/62. Heading A6S. A electrically-driven locomotive produces puffs of smoke of vaporized oil by means of a piston driven by a crank rigidly fixed to said piston. The piston 35 is driven by a wormwheel 8 rotated by the worm 6 of the electric motor 4 driving the wheel 3 of the locomotive. The rod 33 coupling worm-wheel 8 and piston 35 is rigidly secured to the piston 35 which thus oscillates about a mean horizontal axis and simplifies manufacture. The piston pumps air through a chamber along the middle of which is an asbestos former 19 carrying an electric winding which vaporizes oil in a saturated wadding 18, the resulting smoke being puffed out through the funnel 10.
Patent GB-1145044-A (GB)
Title: Olefin oligomerization catalysts
Inventor: HILL THOMAS
IPC: B01J23/70
Filed: 1966-05-21
Abstract: 1,145,044. Oligomerisation catalysts. BRITISH HYDROCARBON CHEMICALS Ltd. 8 Aug., 1967 [21 May, 1966], No. 22751/66. Heading B1E. Oligomerisation catalysts are made by a process comprising:-(a) depositing a Co compound, capable of yielding Co metal or oxide on heating under the preparative conditions prevailing, on activated carbon to form a Co/C complex, (b) oxidising the Co/C complex with molecular oxygen at 100-500‹C and (c) actuating the oxidised Co/C complex by heating it in an inert atmosphere at 150-550‹C. Inert atmosphere includes nitrogen, helium, argon and vacuum. Reference has been directed by the Comptroller to Specification 1,090,987.
Patent GB-387713-A (GB)
Title: Improvements in or relating to the heat treatment and concentration of ores and apparatus therefor
IPC: C22B1/08
Filed: 1931-08-12
Abstract: 387,713. Extracting copper and other metals. TAPLIN, T. J., 203, Wembley Hill Road, Wembley Park, Middlesex, and MINERALS SEPARATION, Ltd., 62, London Wall, London. Aug. 12, 1931, No. 22786. [Class 82 (i).] Ores of non-ferrous metals, particularly copper, but including lead, silver, antimony, and bismuth, are heated, with either previous. simultaneous, or subsequent admixture with carbonaceous material and a halogen-containing substance, in a furnace, preferably with agitation, and the heated mixture is thereafter discharged at the reaction temperature into a pit or bin wherein it is allowed to remain while the reaction is completed. The apparatus may comprise a pre-heating furnace 11 of the vertical type with superposed hearths 12, to which ore is delivered from a hopper 18 and reagents through tubes 19, 20. The lowermost hearths 21, 24 are internally heated. The heated material passes from the furnace through a tube 32 to a bin 33 provided with a heating jacket 34, and having a sloping bottom leading to an outlet 38 provided with a pivoted gate 39 and communicating with a cooling drum 50. Means are provided for keeping the amount of material in the bin 33 approximately constant comprising a feeler 40 periodically raised by means of a rack 41 and mutilated pinion 42 and connected by links 44, 46, 47 with the gate 39, the movement of which may be controlled by a dashpot if desired. Alternatively the preheating furnace may be of the rotary tubular type. Specifications 250,991 and 264,584, [both in Class 82 (i), Metals, Extracting &c.], are referred to.
Patent GB-1332247-A (GB)
Title: Manufacture of watersoluble polymers
IPC: C08F2/46
Filed: 1971-04-19
Abstract: 1332247 Photopolymerizing water-soluble monomers BADISCHE ANILIN- & SODAFABRIK AG 19 April 1971 [3 March 1970] 22787/71 Heading C3P  In the preparation of water-soluble polymers by radiation-induced polymerization of aqueous solutions of unsaturated monomers which yield water-soluble polymers, optionally with up to 15 weight per cent of comonomers which yield polymers which are sparingly soluble in water, and at least 50% w./w. aqueous solution of the monomer is irradiated with photochemically active radiation while in the form of a layer of thickness not exceeding 2 cm. supported on a substrate which is moving across the beam of radiation. The substrate may be an endless belt, the temperature of which may be controlled in a radiation zone. The monomer may be acrylamide, acrylic acid, methacrylic acid, an olefinically unsaturated sulphonic acid or an N-vinyl lactam. Photopolymerization initiators, e.g. vicinal ketaldonyl compounds, uranyl salts and peroxide/variable valence metal systems; and solid substances which decompose at 60 to 110‹ C., e.g. ammonium bicarbonate; may also be present. In an example N-vinyl pyrrolidone is polymerized in aqueous solution in the presence of benzoin isopropyl ether, the solution being gassed with nitrogen, poured on to an endless metal belt and irradiated with light from fluorescent lamps. In the final stage the belt is cooled to - 20‹ C. whereby the viscous polymer is solidified and separated from the belt as it passes over the return roller. The products may be used as flocculants and in pharmaceutical and cosmetic preparations.
Patent GB-1489152-A (GB)
Title: Composition for coating magnetic tapes
IPC: G11B5/702
Filed: 1975-05-23
Abstract: 1489152 Magnetic tape compositions DOW CHEMICAL CO 23 May 1975 [17 June 1974] 22857/75 Heading C3R A composition for coating magnetic tapes comprises an aqueous dispersion of magnetic particles having dissolved therein a monomeric cyclic sulphonium zwitterionic compound. The composition is coated on a tape, the particles are magnetically oriented, the composition is dried and the zwitterionic compound is polymerized by heating, forming a binder for the particles. The composition may include the ammonium salt of a polymeric polycarboxylic acid as a dispersing agent. The magnetic particles may be iron oxide, chromium dioxide or zinc ferrous ferrite. Preferably the tape is primed with a solution of cyclic sulphonium zwitterionic compound which is dried and polymerized by heating. The composition preferably contains a mixture of monofunctional and polyfunctional cyclic sulphonium zwitterionic compounds. An example is given.
Patent GB-354536-A (GB)
Title: Improvements in or relating to sharpening apparatus for razor blades or the like
IPC: B24D15/08
Filed: 1930-07-29
Abstract: 354,536. Stropping-apparatus. AKTIEBOLAGET ORYG, Gothenburg, Sweden. July 29, 1930, No. 22875. Convention date, July 5. [Class 60.] Stropping-apparatus for razor or other blades consists of a box 1 within which a double-edged blade is pivotally carried, and a lid 3, slidable on the box: and carrying a stropping-surface 5 which moves across the blade edges. The stropping-surface is carried by a plate 6 supported in the lid by springs 7 and the lid has flanges 4 engaging guide flanges 2 on the box, the movement of the lid in one direction being limited by a part 8 depending therefrom, and in the other direction by lugs 9, which engage spring-pressed pins 10 carried by a sleeve 12. The strop engages a roller 21 journalled. in the box and connected by gearing 17..20 to a blade-holder 14 pivoted in the box and consisting of a flat plate with spring tongues 16 under which. the blade engages. The blade-holder has projecting arms 22 of which one or the other normally runs in a depression in the plate 6, and by co-operation with an inclined surface at the end of the depression serve to turn the blade over when the strop is drawn clear thereof; a ratchet disc 26 on the holder and a spring pawl 27 prevent movement of the holder and blade before the strop is in operative position. In a modification the lid has longitudinally inclined parts on its flanges to engage extensions of the pivots of the blade-holder, and so to move the blade transversely during the stropping. A razor frame 30 may be held in the box by clips 28, 29, and a container 31 for blades is formed in the box.
Patent GB-754179-A (GB)
Title: Improvements in and relating to deep bore horizontal drilling machines
IPC: B23B41/02
Filed: 1954-08-06
Abstract: 754,179. Drilling long holes; drills. SOC. DES FORGES & ATELIERS DU CREUSOT. Aug. 6, 1954 [Aug. 7, 1953], No. 22941/54. Class 83 (3). A horizontal long-hole coredrilling machine comprises a hollow tool-bar 2 on an axiallyfed carriage 5, means for supplying to the cutting-edges a liquid which forces the swarf back through the bar, and a cylindrical bar 11 which forms an axial extension of the core 10. which is formed during drilling. The bar 11 assists in ensuring a steady flow of swarf and liquid rearwardly to a container 13. The bar 11, which may be rotated, is held by a stationary support 12 and is supported within the tool-bar 2 by a spider 14. The tool-bar 2 is supported by a bracket 3 through which the liquid is supplied to passages 7, 9 in the tool-head. In a modification, the bar 11, Fig. 2, is partly surrounded by a sheath 16 which reduces the swarf passage 17 and increases the rate of liquid flow. While in these embodiments, the work is rotated, the tool-bar may be rotated instead. A rotary tube may be disposed within the stationary tool-bar, as in Specification 749,166 to assist in the removal of swarf.
Patent GB-1506110-A (GB)
Title: Shock absorber
IPC: B60G13/14
Filed: 1976-06-03
Abstract: 1506110 Vehicles having power-producing shock absorbers R E STARBARD 3 June 1976 22964/76 Heading H2A A rack bar 26 which may be connected to a vehicle wheel is mounted for vertical reciprocation in a housing 12 of a shock absorber unit 10, and gears 31, 32 mesh with the rack bar teeth 27 so that, through an arrangement of further gears and clutches, alternators 49, 51 are rotated to produce electricity as the rack bar reciprocates and thereby provide sufficient drag on the system for a shock-absorbing effect. A gear 41 secured to a shaft 17 is rotated in the same direction during both upward and downward movement of the rack bar because gears 31, 32 are alternately drivingly connected to respective gears 33, 37 by one-way clutches 34, 35 and 38, 39. The shaft 17 also carries a gear 44 of a gear train 44, 45, 46, 47, the gear 47 being secured to a double V-pulley 48 for belts 50, 52 which drive the alternators.